Use New 7TV Cosmetics System (#4512)

* feat(seventv): use new cosmetics system

* chore: add changelog entry

* fix: old `clang-format`

* fix: small suggestions pt1

* refactor: add 7tv api wrapper

* fix: small clang-tidy things

* fix: remove unused constants

* fix: old clangtidy

* refactor: rename

* fix: increase interval to 60s

* fix: newline

* fix: Twitch

* docs: add comment

* fix: remove v2 badges endpoint

* fix: deadlock

This is actually really sad.

* fix: remove api entry

* fix: old clang-format

* Sort functions in SeventvBadges.hpp/cpp

* Remove unused vector include

* Add comments to SeventvBadges.hpp functions

* Rename `addBadge` to `registerBadge`

* fix: cleanup eventloop

* ci(test): add timeout

---------

Co-authored-by: Felanbird <41973452+Felanbird@users.noreply.github.com>
Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -12,6 +12,7 @@
 - Minor: Added a message for when Chatterino joins a channel (#4616)
 - Minor: Add accelerators to the right click menu for messages (#4705)
 - Minor: Add pin action to usercards and reply threads. (#4692)
+- Minor: 7TV badges now automatically update upon changing. (#4512)
 - Minor: Stream status requests are now batched. (#4713)
 - Minor: Added `/c2-theme-autoreload` command to automatically reload a custom theme. This is useful for when you're developing your own theme. (#4718)
 - Bugfix: Increased amount of blocked users loaded from 100 to 1,000. (#4721)